Cleaned up the params page to be simpler

Intial pass on rewriting the params page to use definition lists. Everthing should be working, and imho it's way better than the current view, so hopefully you'll merge it in ;)

![screen shot 2013-09-29 at 20 57 19](https://f.cloud.github.com/assets/121852/1233626/1df0e588-2939-11e3-9906-321054283b2f.png)